[ garth ] great businesses deserve the most rewards! [ male announcer ] the spark business card from capital one. choose unlimited rewards with double miles or 2% cash back on every purchase, every day! what's in your wallet? [ cheers and applause ] >>> anyone who knows about the sometimes tricky relationship between a biographer and her subject it is my next guest. kitty kelley has written biographies about everyone, owe practice frank sinatra, [ inaudible ] kitty kelley's latest book "capturing camelot," unseen pictures of the kennedys. welcome, kitty, how are you? >> thanks, piers. >> i can't think of a better person to talk to about this petraeus scandal erupting with you every hour, some new bombshell, the fbi agent sending shirtless pictures. >> so sad, the end of someone's career. there's something missing though. there's something missing. i don't know what it is. is it just e-mails that set this off? >> that is what makes it an extraordinary downfall, really, that's what it comes down to a couple of women swapping bitchy commen